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dc.contributor.author
Nico, Magalí
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dc.contributor.author
Mantese, Anita Ida
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dc.contributor.author
Miralles, Daniel Julio
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dc.contributor.author
Kantolic, Adriana Graciela
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dc.date.available
2018-07-06T20:25:16Z
dc.date.issued
2016-01
dc.identifier.citation
Nico, Magalí; Mantese, Anita Ida; Miralles, Daniel Julio; Kantolic, Adriana Graciela; Soybean fruit development and set at the node level under combined photoperiod and radiation conditions; Oxford University Press; Journal of Experimental Botany; 67; 1; 1-2016; 365-377
dc.identifier.issn
0022-0957
dc.identifier.uri
http://hdl.handle.net/11336/51539
dc.description.abstract
In soybean, long days during post-flowering increase seed number. This positive photoperiodic effect on seed number has been previously associated with increments in the amount of radiation accumulated during the crop cycle because long days extend the duration of the crop cycle. However, evidence of intra-nodal processes independent of the availability of assimilates suggests that photoperiodic effects at the node level might also contribute to pod set. This work aims to identify the main mechanisms responsible for the increase in pod number per node in response to long days; including the dynamics of flowering, pod development, growth and set at the node level. Long days increased pods per node on the main stems, by increasing pods on lateral racemes (usually dominated positions) at some main stem nodes. Long days lengthened the flowering period and thereby increased the number of opened flowers on lateral racemes. The flowering period was prolonged under long days because effective seed filling was delayed on primary racemes (dominant positions). Long days also delayed the development of flowers into pods with filling seeds, delaying the initiation of pod elongation without modifying pod elongation rate. The embryo development matched the external pod length irrespective of the pod's chronological age. These results suggest that long days during post-flowering enhance pod number per node through a relief of the competition between pods of different hierarchy within the node. The photoperiodic effect on the development of dominant pods, delaying their elongation and therefore postponing their active growth, extends flowering and allows pod set at positions that are usually dominated.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Oxford University Press
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dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
Development
dc.subject
Elongation
dc.subject
Embryo
dc.subject
Flowering
dc.subject
Fructification
dc.subject
Glycine Max
dc.subject
Lag Phase
dc.subject
Node
dc.subject
Photoperiod
dc.subject
Pod Set
dc.subject
Radiation
dc.subject
Seed Filling
dc.subject
Shade
dc.subject
Soybean
dc.subject.classification
Otras Ciencias Biológicas
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Soybean fruit development and set at the node level under combined photoperiod and radiation conditions
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2018-06-22T14:40:46Z
dc.journal.volume
67
dc.journal.number
1
dc.journal.pagination
365-377
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Oxford
dc.description.fil
Fil: Nico, Magalí. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Vegetal. Cátedra de Cultivos Industriales; Argentina
dc.description.fil
Fil: Mantese, Anita Ida. Universidad de Buenos Aires. Facultad de Agronomía; Argentina
dc.description.fil
Fil: Miralles, Daniel Julio. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Investigaciones Fisiológicas y Ecológicas Vinculadas a la Agricultura. Universidad de Buenos Aires. Facultad de Agronomía. ; Argentina. Universidad Nacional de La Plata. Facultad de Ciencias Agrarias y Forestales. Cátedra de Cerealicultura; Argentina
dc.description.fil
Fil: Kantolic, Adriana Graciela. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Vegetal. Cátedra de Cultivos Industriales; Argentina
dc.journal.title
Journal of Experimental Botany
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1093/jxb/erv475
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://academic.oup.com/jxb/article/67/1/365/2885167
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